Thought it could be useful to anyone trying to have a quick look at the
metamodel. The TextUML renderer does not support all UML element types,
so some elements might be missing/incomplete.
For those of you that haven't heard of it yet, the TextUML notation is
used by the TextUML Toolkit, an open source (EPL), developer-oriented,
Eclipse-based UML modeling tool. For more info, see: